Java Interview Short 8 - why abstract class is used - No Abstract method use-case | #javainterview

Web Reference: Jan 2, 2010 · 7 It is the Bitwise xor operator in java which results 1 for different value of bit (ie 1 ^ 0 = 1) and 0 for same value of bit (ie 0 ^ 0 = 0) when a number is written in binary form. ex :- To use your example: The binary representation of 5 is 0101. The binary representation of 4 is 0100. Not only in Java, this syntax is available within PHP, Objective-C too. In the following link it gives the following explanation, which is quiet good to understand it: A ternary operator is some operation operating on 3 inputs. It's a shortcut for an if-else statement, and is also known as a conditional operator. In Perl/PHP it works as: While hunting through some code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator. return (Collection<Car>) CollectionUtils.select(list...

YouTube Excerpt: Hey this is our, Java Interview Short 8 and today we will be discussing why abstract class is used when there is No Abstract method present inside a given class. Why Java allow to write an Abstract class without an Abstract method? Abstract class is one of the top most feature in Java oop and pretty much similar to an java interface. but do you know, we can declare an abstract class without even writing an abstract method inside it. The whole purpose is, Letting the client class know that, there is a possibility of adding abstract method in future which might break the client code, so they should be design their classes like that. #javainterviewquestions #javaoop #abstractclass For more free/paid courses visit https://www.seleniumexpress.com #JavaInterview #SpringBootInterviewQuestions #MicroservicesInterviewQuestions For More free/paid courses visit www.seleniumexpress.com LINKS AND FREE LEARNING RESOURCES ======== Watch my new mock interview series for java developers https://youtu.be/yX2w-Sof95s Watch my new Hello spring boot series https://youtu.be/F_rGkDeihBg?si=AvqLgRVvytkhy8lq Watch Spring boot Hot topics https://youtu.be/CUQWZHjuq-w Java Interview / Question and Answer series https://youtu.be/Y1uGGTrBYKw Explain spring Bean Lifecycle https://youtu.be/hUYGGqoXEPc spring core https://www.youtube.com/watch?v=r2Q0Jzl2qMQ&list=PL3NrzZBjk6m-nYX072dSaGfyCJ59Q5TEi spring mvc https://www.youtube.com/watch?v=zCHrZdJODg4&list=PL3NrzZBjk6m-OSeL3DRMD_ISa0u-9c1l1 spring mvc intermediate https://www.youtube.com/watch?v=40YaLHbrwrY&list=PL3NrzZBjk6m_2jw8sC0BkEwSPFHxgQDWr Spring JDBC https://www.youtube.com/watch?v=5j_vh1b9dV8&list=PL3NrzZBjk6m-rYTKze-5Y5RvU8eykal4j spring live project https://www.youtube.com/watch?v=m_b_FwDjAXM&list=PL3NrzZBjk6m-9CVPueDLLermojwtfuW_f SPRING SECURITY COURSE[NEW] https://youtu.be/NMNLozLGT1s For more courses visit https://www.seleniumexpress.com Any time you are getting stuck with issues, Feel free to ask for support. You can send mail to seleniumexpress@gmail.com you can ping me on my Facebook page https://www.facebook.com/seleniumexpress Make sure to join my private Facebook page (Ask me here) “SeleniumExpress - Support" https://www.facebook.com/groups/187000222361579/ you can ask for support in my website forum https://www.seleniumexpress.com Subscribe to my youtube channel https://www.youtube.com/channel/UCpUYkSDJpHug-vfC5S-NXRA?sub_confirmation=1 Follow me on Insta https://www.instagram.com/selenium_express/

Hey this is our, Java Interview Short 8 and today we will be discussing why abstract class is used when there is No Abstract method present inside...

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